User Manual

CDMA PicoBTSTM Hardware Description Page 6

2 Operation

This section describes PicoBTS

base station operation.

2.1 Overview of operation

The PicoBTS

base station supports registration,

synchronization, call setup, origination, and termination as

well as handoff for mobile subscriber units. It performs the

following functions:

• Completes the air interface with CDMA handsets for signaling,

voice, and data

• Transmits non-terminated data and network link services (such

as handoff and E911) to the BSC for further processing

• Supports local and remote interfaces for provisioning,

troubleshooting, status reporting, program downloads, and

other human-machine operations

2.1.1 Air interface with CDMA handsets

The air interface consists of the following channels:

• Pilot channel

• Sync channel

• Paging channels

• Access channel

• Traffic channels

Note: The pilot, sync and access channels share a single

channel element per sector.

2.1.2 Components

•ThePicoBTS

base station contains the following

components:

• Duplexed antenna port

• Diversity receive antenna port